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- The optimal reaction condition was obtained.The yield of poudoallyl ionone reaches 74. 5%,the yield of objective product allyl ionone reaches 87. 5%. 假性烯丙基紫罗兰酮收率达74.5%25,目标产物烯内基紫罗兰酮收率达87.5%25。
- allyl ionone 烯丙基紫罗兰酮
- This allyl type resin is a highly transparent, colourless material. 这种烯丙基型的树脂是一种高度透明的、无色材料。
- A method on synthesis of ionone from litsea cubeba oil had been developed. 改进了由山苍子油合成紫罗酮的方法。
- The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively. 反应条件温和;周期短;缩合反应的产率达96.;2%25;环化反应的产率达97
- A resin derived from allyl alcohol that hardens when cured,used as an adhesive. 烯丙醇制成的树脂,加工后变硬,用作粘合剂。
- This allyl type of resin is a highly transparent, colourless material. 这种烯丙基型的树脂是一种高度透明的无色材料。
- Kaposi acrylic foam bonded to the allyl ether of sucrose polymers, acidic. 卡波沫为丙烯酸键合蔗糖的烯丙基醚的聚合物,呈酸性。
- Lutein and zeaxanthin are both dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 叶黄素和玉米黄质是含紫罗酮环的二羟基类胡萝卜素,在自然界广泛存在。
- Lutein is dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 叶黄素是含紫罗酮环的二羟基类胡萝卜素,在自然界广泛存在。
- Tetraallylsilane was obtained by the action of the tetrachlorosilane on the allyl Grignard regent. 将四氯化硅与烯丙基格氏试剂作用来制备四烯丙基硅。
- Ionone was synthesized from Litsea cubeba oil and lemen oil,and condition of condensation,cyclization and purification of product was studied. 以山苍子油、柠檬草油为原料合成紫罗兰酮,研究了缩合反应、环化反应、产品精制的工艺条件;
- Carboxylic acid was peroxidized in organic solvents catalyzed by lipase and glycidol was synthesized from allyl alcohol catalyzed by acid peroxide. 摘要利用脂肪酶在有机介质中催化制备过氧酸,丙烯醇在过氧酸的作用下发生环氧化反应生成环氧丙醇。
- The company, founded in 2001, specializing in the production of sales ionone, Cang-class integrated oil products spices. 本公司创建于2001年,专业生产销售紫罗兰酮、山苍籽油类综合香料产品。
- A method of synthesis of allyl hexanoate catalyzed by titanic sulfate has been developed. 以硫酸钛为催化剂催化合成了己酸烯丙酯,确定了酯化优化条件。
- Diagnostic criteria and principles of management of occupational chronic allyl chloride poisoning. 职业性慢性氯丙烯中毒诊断标准及处理原则.
- Allyl sulfldes vere synthesized by reactions of allyl ytterbium bromide with disulfides.5. 四、研究了用烯丙基溴化镱与二硫醚反应合成烯丙基硫醚;
- The article presents Synthesizing Allyl isorhodanate by using microwave energy withmethylic alcohol as solvent. 介绍以甲醇为溶剂,利用微波能来合成异硫氰酸烯丙酯的新方法。
- The desired way of the manufacture of epichlorohydrin is the direct catalytic epoxidation of allyl chloride. 从氯丙烯出发经催化环氧化反应直接制取环氧氯丙烷是当前的方向。
- They are capping products of allyl poly-alkoxyl methyl ether and aliphatic alcohol ether alkyl or epoxy. 本系列产品为烯丙基聚烷氧基甲基醚化封端产品及脂肪族醇醚的烷基或环氧基封端产品,提高了聚醚改性硅油的质量。